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FEBS Lett. 2006 May 22;580(12):2869-74. Epub 2006 Feb 28.

Fibroblast growth factor signaling in embryonic and cancer stem cells.

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Department of Biology, Faculty of Medicine, Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic.


Cancer stem cells are cancer cells that originate from the transformation of normal stem cells. The most important property of any stem cell is the ability to self-renew. Through this property, there are striking parallels between normal stem cells and cancer stem cells. Both cell types share various markers of "stemness". In particular, normal stem cells and cancer stem cells utilize similar molecular mechanisms to drive self-renewal, and similar signaling pathways may induce their differentiation. The fibroblast growth factor 2 (FGF-2) pathway is one of the most significant regulators of human embryonic stem cell (hESC) self-renewal and cancer cell tumorigenesis. Here we summarize recent data on the effects of FGF-2 and its receptors on hESCs and leukemic stem/progenitor cells. Also, we discuss the similarities of these findings with stem cell renewal and differentiation phenotypes.

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